Senior Spacecraft Thermal Architect

Aerospacelab; Toulouse; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Flexible ways of working

Direct impact on company growth

Fast-paced environment

Career path development

Job summary

Aerospacelab in Toulouse is seeking a Spacecraft Thermal Engineer to own the thermal architecture of our satellites from concept to qualification and in-orbit operations. You will define thermal control strategies and work closely with system engineers, mechanics, payload teams, and the AI department.

You will mentor junior engineers, shape thermal methodologies, and drive automation of the thermal analysis workflow across the portfolio. Fluency in English is required.

Qualifications

• MSc or PhD in Mechanical Engineering, Aerospace Engineering, Physics, or related field.
• Solid understanding of the space thermal environment.
• Extensive experience in spacecraft thermal design and analysis.
• Hands-on experience with Systema-Thermica or ESATAN-TMS.
• Strong knowledge of spacecraft thermal control hardware and sizing.
• Experience with satellite-level thermal test campaigns and data processing.
• Familiarity with ECSS and NASA standards.
• Proven ability to independently lead thermal design through qualification.
• Excellent communication, team spirit, and proactive mindset.
• Fluency in English.

Responsibilities

• Lead the thermal architecture definition and sizing of the thermal control subsystem at satellite level.
• Develop, maintain, and own satellite-level geometrical and mathematical thermal models.
• Define thermal test requirements and lead or support campaigns at unit, subsystem, and satellite level.
• Correlate thermal models with test and in-flight telemetry data.
• Provide thermal recommendations during design trades and reviews.
• Prepare technical documentation and represent the thermal discipline in reviews.
• Collaborate with suppliers, customers, and partners during project phases.
• Mentor junior thermal engineers and promote best practices and standards.
• Drive automation of the thermal workflow with tools and scripts.

Skills

Thermal engineering

Thermal analysis

ECSS/NASA standards

Test campaigns

Model correlation

English fluency

Education

MSc/PhD in Mechanical/Aerospace/Physics

Tools

Systema-Thermica

ESATAN-TMS

Simcenter

Job description

Aerospacelab in Toulouse is seeking a Spacecraft Thermal Engineer to own the thermal architecture of our satellites from concept to qualification and in-orbit operations. You will define thermal control strategies and work closely with system engineers, mechanics, payload teams, and the AI department.

You will mentor junior engineers, shape thermal methodologies, and drive automation of the thermal analysis workflow across the portfolio. Fluency in English is required.